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Allen Bradley 1756-DHRIO/C ControlLogix Remote I/O Communication Interface Module
- Product Details
- FAQs
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- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1756-DHRIO/C is a ControlLogix Remote I/O (RIO) communication interface module with dual-channel capability, designed for high-reliability data transfer between a ControlLogix chassis and remote I/O devices. This module provides redundant or parallel communication paths, ensuring deterministic real-time communication for distributed industrial automation systems.
The 1756-DHRIO/C is ideal for mission-critical applications where network uptime, reliability, and fast response are essential, such as in process control, manufacturing automation, and large-scale distributed control systems.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | ControlLogix Remote I/O Communication Interface Module |
| Channels | 2 (supports redundancy or parallel operation) |
| Backplane Current | 850 mA @ 24 VDC |
| Module Function | Dual-channel remote I/O communication |
| System Compatibility | ControlLogix chassis and controllers |
| Industrial Rating | Designed for high-availability industrial networks |
| Power Dissipation (Max) | 4.5 W |
| Thermal Dissipation (Max) | 15.4 BTU/hr |
| Operating Temperature | 0 to 60 °C |
| Enclosure Type Rating | Open-style |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.272 kg |
Applications
• Provides dual-channel Remote I/O communication for ControlLogix systems
• Ensures deterministic, high-speed data transfer between controllers and remote I/O
• Applied in distributed control systems, manufacturing, and process automation
• Supports redundant or parallel communication paths to increase network reliability
• Ideal for mission-critical systems requiring continuous operation and data integrity
Advantages
• Dual-channel design allows redundancy or parallel operation for improved reliability
• High backplane current support (850 mA @ 24 VDC) ensures stable operation of connected I/O modules
• Deterministic communication guarantees timely and accurate data exchange
• Compact module design simplifies installation in ControlLogix chassis
• Open-style mounting supports flexible industrial panel installation
• Designed for robust performance in distributed and critical automation networks
FAQ
-
What is the primary function of the 1756-DHRIO/C module?
It provides dual-channel Remote I/O communication between a ControlLogix chassis and remote I/O devices. -
How does the dual-channel capability improve reliability?
It allows redundancy or parallel communication paths, ensuring continuous operation if one channel fails. -
Can the module handle deterministic communication?
Yes, it ensures real-time, reliable communication for industrial automation networks. -
What types of systems use this module?
It is used in distributed control systems, manufacturing automation, and process control applications. -
Does the module support multiple remote I/O devices?
Yes, it interfaces with multiple remote I/O nodes within a ControlLogix network. -
How is the module powered?
It draws 850 mA from a 24 VDC backplane supply. -
Is it compatible with standard ControlLogix chassis?
Yes, it integrates seamlessly with ControlLogix controllers and chassis. -
Can it be used in open-style industrial panels?
Yes, the module supports open-style mounting. -
Does it generate significant heat?
No, maximum power dissipation is 4.5 W, with thermal dissipation of 15.4 BTU/hr. -
What are the advantages of using a DHRIO/C module?
It provides high-speed, redundant, and deterministic communication for distributed ControlLogix networks.
Related Models
| Model | Description |
|---|---|
| 1756-DHRIO | Dual-channel ControlLogix Remote I/O interface module |
| 1756-DHRIO/E | Enhanced version with improved reliability |
| 1756-DHRIO-R | Redundant ControlLogix Remote I/O module |
| 1756-DHRIO-H | High-speed Remote I/O communication module |
| 1756-DHRIO-L | Low-power Remote I/O module |
| 1756-DHRIO-X | Extended connectivity Remote I/O module |
Popular Models
| Model | Description |
|---|---|
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| 1756-A13 | 13-slot ControlLogix chassis |
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| 1756-OB16I | 16-channel DC isolated output module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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